Implant anchorage and Damon Ⅲ combined use for distal movement of maxillary teeth / 实用口腔医学杂志

ABSTRACT

1 5 cases,5 males and 1 0 females,aged 1 6-26 years,with ClassⅡdivision maxillary mild to moderate protrusion were includ-ed.Damon III appliance was used to arrange the upper and lower dentition.Stainless steel micro-screw implants were implanted in zygomatic crest to provide the best bone anchorage,stainless steel rectangular wire was used for maxillary complete dentition continuous ligation and maxillary teeth distal movement.X-ray cephalometry study showed that U1-NA(°)reduced by 2.51 ±1 .52(P0.05),centric jaw relation of bilateral molar was obtained.